SEGMENTS (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total segment revenues	$ 94,815	$ 86,673	$ 268,517	$ 272,377
Less: The Woodlands revenues				(81,781)
Total revenues	94,815	86,673	268,517	190,596
Master Planned Communities
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total segment revenues	48,593	41,104	138,256	139,694
Operating Assets
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total segment revenues	41,488	36,252	124,610	111,288
Strategic Developments
Reconciliation of Segment Basis Revenues to GAAP Revenues
Total segment revenues	$ 4,734	$ 9,317	$ 5,651	$ 21,395